chore(lint): burn down remaining warnings to zero

src/agents/router.test.ts

@@ -1,6 +1,5 @@
 import { describe, it, expect } from 'vitest';
 import { AgentRouter } from './router.js';
-import type { RoutingConfig } from '../config/schema.js';
 
 describe('AgentRouter', () => {
   describe('resolve()', () => {